/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 苏李涛
 * Date: 2024-04-26
 * Time: 13:01
 */
import java.util.Scanner;
public class printX {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while (in.hasNextInt()) {
            int n = in.nextInt();

            for (int i = 0; i < n; i++) {
                for (int j = 0; j < n; j++) {
                    if(i == j || i + j == n - 1) {
                        System.out.print("*");
                    }else {
                        System.out.print(" ");
                    }
                }
                System.out.println();

            }
        }
    }
}
